#include<bits/stdc++.h>
using namespace std;
int n,ans;
int a[100002],b[100002];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=100002;j++){
            if(j==a[i]) b[j]++;
        }
    }
    for(int j=1;j<=100002;j++){
        if(b[j]!=0) ans=max(ans,b[j]);
    }
    cout<<ans;
    fclose(stdin);
    fclose(stdout);
    return 0;
}
